package com.qd.panda.service.etc;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.core.metadata.IPage;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.cdqidi.constant.ConstantDto;
import com.cdqidi.db.BaseService;
import com.cdqidi.dto.CacheKey;
import com.cdqidi.excel.ExcelExport;
import com.cdqidi.excel.util.ExportPage;
import com.cdqidi.exception.ApiException;
import com.cdqidi.util.MobileUtil;
import com.cdqidi.util.RedisTemplateUtil;
import com.qd.common.panda.domain.entity.plate.UserPlateDTO;
import com.qd.common.panda.domain.entity.etc.EtcJumpDTO;
import com.qd.panda.mapper.etc.EtcJumpMapper;
import com.qd.panda.model.EtcJump;
import com.qd.panda.model.Plate;
import com.qd.panda.model.UserPlateRelation;
import com.qd.panda.service.plate.PlateHolderService;
import com.qd.panda.service.plate.UserPlateRelationService;
import com.qd.system.model.BaseUserInfo;
import com.qd.system.service.user.BaseUserInfoService;
import lombok.RequiredArgsConstructor;
import lombok.extern.slf4j.Slf4j;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;
import org.springframework.util.StringUtils;

import javax.annotation.Resource;
import javax.servlet.http.HttpServletResponse;
import java.io.IOException;
import java.util.*;

import static java.util.stream.Collectors.toList;
import static java.util.stream.Collectors.toSet;

/**
 * 跳转记录
 *
 * @author sjk
 */
@RequiredArgsConstructor
@Service
@Slf4j
public class EtcJumpService extends BaseService<EtcJumpMapper, EtcJump> {

    private static final String PREFIX_ID = "panda_etc_jump_logId_{0}";
    private static final String PREFIX_UNIQUE_PANDA_ETC_JUMP_PLATE_NUMBER_FK = "panda_etc_jump_plateNumber_{0}";

    private final RedisTemplateUtil<EtcJump> redisTemplateUtil;
    private final UserPlateRelationService userPlateRelationService;
    private final BaseUserInfoService baseUserInfoService;
    private final PlateHolderService plateHolderService;

    @Resource
    private HttpServletResponse response;

    /**
     * 保存
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public EtcJumpDTO save(EtcJumpDTO dto) {
        checkUnique(dto);
        final EtcJump model = dtoToModel(dto);
        try {
            if (super.save(model)) {
                return modelToDto(model);
            }
            throw new ApiException("添加失败");
        } finally {
            clearCache(model);
            model.freeData();
        }
    }

    /**
     * 修改
     *
     * @param dto 页面对象
     * @return 页面对象
     */
    @Transactional(rollbackFor = Exception.class)
    public EtcJumpDTO update(EtcJumpDTO dto) {
        checkUnique(dto);
        final EtcJump historyModel = Optional.ofNullable(getById(dto.getLogId())).orElseThrow(() -> new ApiException("ID不存在,不能更新"));
        final EtcJump model = dtoToModel(dto);
        try {
            if (super.updateById(model)) {
                return modelToDto(model);
            }
            throw new ApiException("更新失败");
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
            model.freeData();
        }
    }

    /**
     * 批量添加
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void saveBatch(List<EtcJump> mList) {
        try {
            if (!super.saveBatch(mList)) {
                throw new ApiException("批量添加失败");
            }
        } finally {
            clearCaches(mList);
        }
    }

    /**
     * 批量更新
     *
     * @param mList 数据库对象
     */
    @Transactional(rollbackFor = Exception.class)
    public void updateBatchIds(List<EtcJump> mList) {
        final List<String> ids = mList.stream().map(EtcJump::getLogId).collect(toList());
        final List<EtcJump> historyModelList = checkIds(ids);
        try {
            if (!super.updateBatchById(mList)) {
                throw new ApiException("批量更新失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
            ids.clear();
        }
    }

    /**
     * 删除，单个
     *
     * @param logId 主键
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeById(String logId) {
        final EtcJump historyModel = Optional.ofNullable(getById(logId)).orElseThrow(() -> new ApiException("数据不存在,不能删除"));
        try {
            if (!super.removeById(logId)) {
                throw new ApiException("删除失败");
            }
        } finally {
            clearCache(historyModel);
            historyModel.freeData();
        }
    }

    /**
     * 批量删除
     *
     * @param ids 主键集合
     */
    @Transactional(rollbackFor = Exception.class)
    public void removeBatchIds(List<String> ids) {
        final List<EtcJump> historyModelList = checkIds(ids);
        try {
            if (!super.removeByIds(ids)) {
                throw new ApiException("批量删除失败");
            }
        } finally {
            clearCaches(historyModelList);
            historyModelList.clear();
        }
    }

    /**
     * 根据传入对象构建查询参数，判断是否存在
     *
     * @param dto 参数
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExists(EtcJumpDTO dto) {
        final QueryWrapper<EtcJump> queryWrapper = createQueryWrapper(dto);
        final boolean exists = super.count(queryWrapper) > 0;
        queryWrapper.clear();
        return exists;
    }

    /**
     * 根据主键判断数据是否存在
     *
     * @param logId 主键
     * @return 存在为true
     */
    @Transactional(readOnly = true)
    public Boolean isExistsById(String logId) {
        boolean exists = false;
        if (StringUtils.hasLength(logId)) {
            final EtcJump model = getById(logId);
            exists = (null != model);
            if (exists) {
                model.freeData();
            }
        }
        return exists;
    }

    /**
     * 根据主键获取数据
     *
     * @param logId 主键
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public EtcJump getById(String logId) {
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, logId);
        return redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getById(logId), EtcJump.class);
    }

    /**
     * 根据主键获取数据
     *
     * @param logId 主键
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public EtcJumpDTO getByIdDto(String logId) {
        return Optional.ofNullable(getById(logId)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录
     */
    @Transactional(readOnly = true)
    public EtcJump getOne(EtcJumpDTO dto) {
        final QueryWrapper<EtcJump> queryWrapper = createQueryWrapper(dto);
        EtcJump model = super.getOne(queryWrapper);
        queryWrapper.clear();
        return model;
    }

    /**
     * 根据条件查询单条数据
     *
     * @param dto 查询参数
     * @return 单条记录，转换成页面对象
     */
    @Transactional(readOnly = true)
    public EtcJumpDTO getOneDto(EtcJumpDTO dto) {
        return Optional.ofNullable(getOne(dto)).map(this::modelToDto).orElse(null);
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据
     */
    @Transactional(readOnly = true)
    public List<EtcJump> getList(EtcJumpDTO dto) {
        final QueryWrapper<EtcJump> queryWrapper = createQueryWrapper(dto);
        final List<EtcJump> list = super.list(queryWrapper);
        queryWrapper.clear();
        return list;
    }

    /**
     * 根据条件查询列表数据
     *
     * @param dto 查询参数
     * @return 列表数据，转换成页面对象
     */
    @Transactional(readOnly = true)
    public List<EtcJumpDTO> getListDto(EtcJumpDTO dto) {
        return modelToDtoList(getList(dto));
    }

    /**
     * 分页数据
     *
     * @param page 分页对象
     * @param dto  查询参数
     * @return 分页信息
     */
    @Transactional(readOnly = true)
    public IPage<EtcJumpDTO> page(Page<EtcJump> page, EtcJumpDTO dto) {
        final QueryWrapper<EtcJump> queryWrapper = createQueryWrapper(dto);
        Page<EtcJump> iPage = baseMapper.selectPage(page, queryWrapper);
        Optional.ofNullable(iPage.getRecords()).ifPresent(this::modelToDtoList);
        queryWrapper.clear();
        return iPage.convert(this::modelToDto);
    }

    /**
     * 导出Excel
     *
     * @param query 查询条件
     */
    @Transactional(readOnly = true)
    public void export(EtcJumpDTO query) {
        final ExportPage<EtcJump, EtcJumpDTO> exportPage = new ExportPage<>();
        try {
            final List<EtcJumpDTO> list = exportPage.getAllForPage(page -> page(page, query).getRecords());
            try {
                ExcelExport.downloadExcel(response, EtcJumpDTO.class, () -> list);
            } catch (IOException e) {
                log.error("导出失败", e);
                throw new ApiException("导出失败");
            }
        } finally {
            exportPage.freeData();
        }
    }

    /**
     * 根据唯一性索引获得数据
     * param plateNumber
     *
     * @return 单条数据
     */
    @Transactional(readOnly = true)
    public EtcJump getUniqueByPlateNumber(String plateNumber) {
        final QueryWrapper<EtcJump> queryWrapper = new QueryWrapper<>();
        queryWrapper.eq("plate_number", plateNumber);
        final String key = RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_ETC_JUMP_PLATE_NUMBER_FK, plateNumber);
        final EtcJump model = redisTemplateUtil.get(new CacheKey().setKey(key).setTimeout(ConstantDto.REDIS_TIME_OUT_DAY), () -> super.getOne(queryWrapper, false), EtcJump.class);
        queryWrapper.clear();
        return model;
    }

    /**
     * 验证唯一性索引
     *
     * @param dto 页面对象
     */
    @Transactional(readOnly = true)
    public void checkUnique(EtcJumpDTO dto) {
        EtcJump model = getUniqueByPlateNumber(dto.getPlateNumber());
        if (null != model) {
            checkUnique(dto, model);
        }
    }

    /**
     * 验证唯一性索引
     *
     * @param dto   页面对象
     * @param model 根据约束字段查询出来的数据库对象
     */
    private void checkUnique(EtcJumpDTO dto, EtcJump model) {
        if (!StringUtils.hasLength(dto.getLogId())) {
            throw new ApiException("数据已存在，请勿重复操作");
        }
        if (!dto.getLogId().equals(model.getLogId())) {
            throw new ApiException("数据已存在，请勿重复操作");
        }
    }

    /**
     * 清空缓存
     *
     * @param model 数据库对象
     */
    public void clearCache(EtcJump model) {
        if (null == model) {
            return;
        }
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getLogId()));
        redisTemplateUtil.deleteByKey(RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_ETC_JUMP_PLATE_NUMBER_FK, model.getPlateNumber()));
    }

    /**
     * 批量清空缓存
     *
     * @param list 数据库对象
     */
    public void clearCaches(List<EtcJump> list) {
        if (null == list || list.isEmpty()) {
            return;
        }
        List<String> ids = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_ID, model.getLogId())).collect(toList());
        if (!ids.isEmpty()) {
            redisTemplateUtil.deleteByKey(ids);
            ids.clear();
        }
        Set<String> uniqueIds = list.stream().map(model -> RedisTemplateUtil.getRedisCacheKey(PREFIX_UNIQUE_PANDA_ETC_JUMP_PLATE_NUMBER_FK, model.getPlateNumber())).collect(toSet());
        if (!uniqueIds.isEmpty()) {
            redisTemplateUtil.deleteByKey(uniqueIds);
            uniqueIds.clear();
        }
    }

    /**
     * 数据库对象转页面对象
     *
     * @param model 数据库对象
     * @return 页面对象
     */
    public EtcJumpDTO modelToDto(EtcJump model) {
        if (null == model) {
            return null;
        }
        final EtcJumpDTO dto = new EtcJumpDTO();
        dto.setLogId(model.getLogId());
        dto.setMobile(model.getMobile());
        dto.setAddTime(model.getAddTime());
        dto.setUserId(model.getUserId());
        dto.setPlateNumber(model.getPlateNumber());
        buildDisplay(dto);
        return dto;
    }

    /**
     * 页面对象转数据库对象
     *
     * @param dto 页面对象
     * @return 数据库对象
     */
    public EtcJump dtoToModel(EtcJumpDTO dto) {
        if (null == dto) {
            return null;
        }
        final EtcJump model = new EtcJump();
        model.setLogId(dto.getLogId());
        model.setMobile(dto.getMobile());
        model.setAddTime(dto.getAddTime());
        model.setUserId(dto.getUserId());
        model.setPlateNumber(dto.getPlateNumber());
        return model;
    }

    /**
     * 码表转换
     *
     * @param dto 页面对象
     */
    public void buildDisplay(EtcJumpDTO dto) {
        Optional.ofNullable(plateHolderService.getPlateService().getById(dto.getPlateNumber()))
                .map(Plate::getVehicleColor).ifPresent(dto::setVehicleColor);
    }

    /**
     * 数据库对象转页面对象
     *
     * @param list 数据库对象
     * @return 页面对象
     */
    public List<EtcJumpDTO> modelToDtoList(List<EtcJump> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::modelToDto).collect(toList());
    }

    /**
     * 页面对象转数据库对象
     *
     * @param list 页面对象
     * @return 数据库对象
     */
    public List<EtcJump> dtoToModelList(List<EtcJumpDTO> list) {
        return Optional.ofNullable(list).orElse(Collections.emptyList()).stream().map(this::dtoToModel).collect(toList());
    }

    /**
     * 拼装查询参数，除了主键的其他字段会自动加入进来
     *
     * @param dto 查询参数，不为空的属性会被自动加入
     */
    public QueryWrapper<EtcJump> createQueryWrapper(EtcJumpDTO dto) {
        final QueryWrapper<EtcJump> queryWrapper = new QueryWrapper<>();
        if (null != dto) {
            if (StringUtils.hasLength(dto.getMobile())) {
                queryWrapper.eq("mobile", dto.getMobile());
            }
            if (StringUtils.hasLength(dto.getUserId())) {
                queryWrapper.eq("user_id", dto.getUserId());
            }
            if (StringUtils.hasLength(dto.getPlateNumber())) {
                queryWrapper.eq("plate_number", dto.getPlateNumber());
            }
            if (StringUtils.hasLength(dto.getBeginTime()) && !StringUtils.hasLength(dto.getEndTime())) {
                queryWrapper.between("add_time", dto.getBeginTime() + " 00:00:00", dto.getBeginTime() + " 23:59:59");
            }
            if (!StringUtils.hasLength(dto.getBeginTime()) && StringUtils.hasLength(dto.getEndTime())) {
                queryWrapper.between("add_time", dto.getEndTime() + " 00:00:00", dto.getEndTime() + " 23:59:59");
            }
            if (StringUtils.hasLength(dto.getBeginTime()) && StringUtils.hasLength(dto.getEndTime())) {
                queryWrapper.between("add_time", dto.getBeginTime() + " 00:00:00", dto.getEndTime() + " 23:59:59");
            }
        }
        queryWrapper.orderByDesc("add_time");
        queryWrapper.orderByDesc("user_id");
        return queryWrapper;
    }

    /**
     * 批量检查主键在数据库中是否存在
     *
     * @param ids 主键集合
     * @return 主键查询出来的集合
     */
    public List<EtcJump> checkIds(List<String> ids) {
        if (null == ids || ids.isEmpty()) {
            throw new ApiException("ids不能为空");
        }
        final List<EtcJump> list = super.listByIds(ids);
        if (list.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(ids.toArray()));
        }
        if (ids.size() == list.size()) {
            return list;
        }
        List<String> dbIds = list.stream().map(EtcJump::getLogId).collect(toList());
        final List<String> notExistsList = ids.stream().filter(id -> !dbIds.contains(id)).collect(toList());
        dbIds.clear();
        if (!notExistsList.isEmpty()) {
            throw new ApiException("ids不存在" + Arrays.toString(notExistsList.toArray()));
        }
        return list;
    }

    @Transactional(rollbackFor = Exception.class)
    public void addLog(EtcJumpDTO dto) {
        EtcJump etcJump = getUniqueByPlateNumber(dto.getPlateNumber());
        if (null != etcJump) {
            try {
                if (etcJump.getUserId().equals(dto.getUserId())) {
                    return;
                } else {
                    String mobile = Optional.ofNullable(baseUserInfoService.getById(etcJump.getUserId())).map(BaseUserInfo::getMobile).orElse("");
                    throw new ApiException("当前车辆已经被手机号为[" + MobileUtil.getMobile(mobile) + "]的用户绑定");
                }
            } finally {
                etcJump.freeData();
            }
        }
        UserPlateRelation userPlateRelation = userPlateRelationService.getUniqueByPlateNumber(dto.getPlateNumber());
        if (null == userPlateRelation) {
            //执行绑定
            UserPlateDTO userPlateDTO = new UserPlateDTO();
            userPlateDTO.setUserId(dto.getUserId());
            userPlateDTO.setPlateNumber(dto.getPlateNumber());
            userPlateDTO.setAutoConfirmCharge(ConstantDto.SF0);
            userPlateDTO.setVehicleColor(dto.getVehicleColor());
            plateHolderService.save(userPlateDTO);
            userPlateDTO.freeData();
        } else {
            try {
                if (!userPlateRelation.getUserId().equals(dto.getUserId())) {
                    String mobile = Optional.ofNullable(baseUserInfoService.getById(userPlateRelation.getUserId())).map(BaseUserInfo::getMobile).orElse("");
                    throw new ApiException("当前车辆已经被手机号为[" + MobileUtil.getMobile(mobile) + "]的用户绑定");
                }
            } finally {
                userPlateRelation.freeData();
            }
        }
        String mobile = Optional.ofNullable(baseUserInfoService.getById(dto.getUserId())).map(BaseUserInfo::getMobile).orElse("");
        if (!StringUtils.hasLength(mobile)) {
            throw new ApiException("手机号异常");
        }
        dto.setMobile(mobile);
        save(dto);
    }
}